Who first proposed semiconservative replication of DNA?

Explanation

To answer the question of who first proposed semiconservative replication of DNA, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Semiconservative Replication**:
- Semiconservative replication is a method of DNA replication where each of the two new DNA molecules consists of one original (parent) strand and one newly synthesized strand. This means that during replication, the two strands of the DNA double helix separate, and each serves as a template for the formation of a new complementary strand.

2. **Identify the Scientists Involved**:
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